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  • Title: Improving performance by anchoring movement and "nerves".
    Author: Iso-Ahola SE, Dotson CO, Jagodinsky AE, Clark LC, Smallwood LL, Wilburn C, Weimar WH, Miller MW.
    Journal: Hum Mov Sci; 2016 Oct; 49():239-47. PubMed ID: 27459587.
    Abstract:
    Golf's governing bodies' recent decision to ban all putting styles "anchoring one end of the club against the body" bridges an important practical problem with psychological theory. We report the first experiment testing whether anchoring provides technical and/or psychological advantage in competitive performance. Many "greats" of professional golf from Arnold Palmer and Jack Nicklaus to Tiger Woods have argued against anchoring, believing that it takes "nerves" out of competitive performance and therefore artificially levels the playing field. To shed more light on the issue, we tested participants' performance with anchored and unanchored putters under low and high pressure when controlling for the putter length. We found no statistically significant evidence for a technical advantage due to anchoring but a clear psychological advantage: participants who anchored their putters significantly outperformed unanchored counterparts under high, but not low, pressure. Results provide tentative evidence for the ban's justification from a competitive standpoint. However, before any definite conclusions can be made, more research is needed when using high-level golfers.
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